The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 1984
Filed:
Jul. 02, 1980
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
428695 ; 427132 ; 428457 ; 428900 ;
Abstract
A magnetic recording medium having, on a non-magnetic support, a magnetic recording layer of a mixture of a ferromagnetic material and an organic lubricant, which magnetic recording layer is prepared by the simultaneous vacuum evaporation process to result in improvements upon the surface strength and slip characteristics.